Avast! Mobile Security & Antivirus – free antivirus for Android ensures maximum protection for your smartphone or tablet. Using the remote access app will protect your mobile device from viruses, Internet threats, from malicious software ,data loss and unauthorized access. Also avast! Mobile Security includes a firewall, web shield and anti-theft (Anti-Theft).

Features:

• Built-in firewall and web shield.
• the Possibility of filtering calls and SMS messages.
• allow remote locking of the device and determine its location.
• Protection in real time.
• the Manager Available applications.
• Customizable updates.
• Reports; privacy.
• Scan on a schedule.
• Anti-Theft (anti-theft).

If you can't choose which antivirus is right for you, read our article "Choosing the best antivirus for Android"